Large-scale LoD2 Building Reconstruction from Airborne LiDAR Point Clouds
Why do you think that https://github.com/PointCloudLibrary/pcl is a good alternative to City3D
Large-scale LoD2 Building Reconstruction from Airborne LiDAR Point Clouds
Why do you think that https://github.com/PointCloudLibrary/pcl is a good alternative to City3D